# auxiliary

> English word · Adjective · IPA /ɔːɡˈzɪl.(j)ə.ɹi/ · frequency rank #10,494

## Definitions
1. Helping; giving assistance or support.
2. Supplementary or subsidiary.
3. Held in reserve for exceptional circumstances.
4. Of a ship, having both sails and an engine.
5. Relating to an auxiliary verb.

## Etymology
From Latin auxiliārius (“assistant, ally”), equiv. to auxiliāris (“helping, aiding”), from auxilium (“help, aid”), from augēre (“to increase”).

## Common misspellings (12)
`auixliary`, `auxiilary`, `auxilairy`, `auxiliarry`, `auxiliaryy`, `auxiliayr`, `auxiliray`, `auxilliary`, `auxliiary`, `auxxiliary`, `axuiliary`, `uaxiliary`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/auxiliary